Alert archive / Kentucky / Freeze Warnings in 2021

Freeze Warning 3, NWS Jackson, KY

April 1, 202133 counties in Kentucky

NWS Jackson, KY issued this freeze warning at Apr 1, 2021, 4:00 PM EDT for 33 counties in Kentucky. It took effect at Apr 2, 2021, 11:00 PM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 1, 2021, 4:00 PM EDT (20:00 UTC)
In effect from
Apr 2, 2021, 11:00 PM EDT
Expired
Apr 3, 2021, 11:00 AM EDT
In force
12 hr
Issued by
NWS Jackson, KY
All 33 counties

Bath County, KY, Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 26 km from the middle of the area, began a volume at 20:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 218 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2021-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

218 
WWUS73 KJKL 012000
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
400 PM EDT Thu Apr 1 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-020400-
/O.NEW.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/
/O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
400 PM EDT Thu Apr 1 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EDT FRIDAY...
...FREEZE WARNING IN EFFECT FROM 11 PM FRIDAY TO 11 AM EDT
SATURDAY...

* WHAT...For the first Freeze Warning, sub-freezing temperatures
  as low as the upper teens are expected. For the second Freeze
  Warning, sub-freezing temperatures as low as the upper teens are
  expected.

* WHERE...All of eastern Kentucky. 

* WHEN...For the first Freeze Warning, from 11 PM this evening 
  to 11 AM EDT Friday. For the second Freeze Warning, from 11 PM 
  Friday to 11 AM EDT Saturday.

* IMPACTS...Early vegetation sensitive to freezing temperatures 
  may be damaged or killed if left unprotected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants and other sensitive
vegetation from the cold. 

&&

$$

GEOGERIAN
7 follow-up statements
856 
WWUS73 KJKL 020250
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
1050 PM EDT Thu Apr 1 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-021200-
/O.CON.KJKL.FZ.W.0002.210402T0300Z-210402T1500Z/
/O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
1050 PM EDT Thu Apr 1 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT FRIDAY...
...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM FRIDAY TO 11 AM
EDT SATURDAY...

* WHAT...For both Freeze Warnings, sub-freezing temperatures as
  low as the upper teens are expected. 

* WHERE...All of eastern Kentucky.

* WHEN...For the first Freeze Warning, through 11 AM EDT Friday. 
  For the second Freeze Warning, from 11 PM Friday to 11 AM EDT 
  Saturday.

* IMPACTS...Early vegetation sensitive to freezing temperatures 
  may be damaged or killed if left unprotected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants and other sensitive
vegetation from the cold. 

&&

$$

GEOGERIAN/JP
531 
WWUS73 KJKL 020705 AAA
NPWJKL

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson KY
305 AM EDT Fri Apr 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-022115-
/O.CON.KJKL.FZ.W.0002.000000T0000Z-210402T1500Z/
/O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
305 AM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EDT SATURDAY...

* WHAT...For both Freeze Warnings, sub-freezing temperatures as 
  low as the upper teens are expected.

* WHERE...All of eastern Kentucky.

* WHEN...For the first Freeze Warning, through 11 AM EDT this
  morning. For the second Freeze Warning, from 11 PM this evening  
  to 11 AM EDT Saturday.

* IMPACTS...Early vegetation sensitive to freezing temperatures 
  may be damaged or killed if left unprotected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants and other sensitive
vegetation from the cold.

&&

$$

GREIF
871 
WWUS73 KJKL 021456
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
1056 AM EDT Fri Apr 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-022000-
/O.EXP.KJKL.FZ.W.0002.000000T0000Z-210402T1500Z/
/O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
1056 AM EDT Fri Apr 2 2021

...FREEZE WARNING WILL EXPIRE AT 11 AM EDT THIS MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EDT SATURDAY...

* WHAT...For the first Freeze Warning, most locations have warmed
  to above freezing, so the first Freeze Warning will be allowed
  to expire. For the second Freeze Warning, sub-freezing 
  temperatures as low as the upper teens are expected.

* WHERE...All of eastern Kentucky.

* WHEN...For the second Freeze Warning, from 11 PM this evening 
  to 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly.

&&

$$

HAS/GEOGERIAN
748 
WWUS73 KJKL 021954
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
354 PM EDT Fri Apr 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-030400-
/O.CON.KJKL.FZ.W.0003.210403T0300Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
354 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as the upper teens are 
  expected.

* WHERE...All of eastern Kentucky.

* WHEN...From 11 PM this evening to 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly.

&&

$$

HAS/GEOGERIAN
860 
WWUS73 KJKL 030321 AAA
NPWJKL

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson KY
1121 PM EDT Fri Apr 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-031130-
/O.CON.KJKL.FZ.W.0003.000000T0000Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
1121 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as the upper teens are 
  expected.

* WHERE...All of eastern Kentucky.

* WHEN...Through 11 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly.

&&

$$


HAS/GEOGERIAN/JP
758 
WWUS73 KJKL 030735 AAA
NPWJKL

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson KY
335 AM EDT Sat Apr 3 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-031500-
/O.CON.KJKL.FZ.W.0003.000000T0000Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
335 AM EDT Sat Apr 3 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Sub-freezing temperatures as low as the upper teens are
  expected - especially in the valleys.

* WHERE...All of eastern Kentucky.

* WHEN...Through 11 AM EDT this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly.

&&

$$

HAS/GREIF
458 
WWUS73 KJKL 031452
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
1052 AM EDT Sat Apr 3 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-031600-
/O.EXP.KJKL.FZ.W.0003.000000T0000Z-210403T1500Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty, 
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright, 
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard, 
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run, 
Elkhorn City, Pikeville, and South Williamson
1052 AM EDT Sat Apr 3 2021

...FREEZE WARNING WILL EXPIRE AT 11 AM EDT THIS MORNING...

Temperatures have warmed to above freezing, so the Freeze Warning
will be allowed to expire.

$$

HAS/GEOGERIAN

Nearby

Freeze Warnings in Kentucky, 2021Every freeze warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.